Specifications:

[1] 0.5m gas pipe [socket + socket]]

[2] 0.5m gas pipe [socket + Screw]]

[3] 0.5m gas pipe [Screw + Screw]]

[4] 1m gas pipe [socket + socket]]

[5] 1m gas pipe [socket + Screw]]

[6] 1m gas pipe [Screw + Screw]]

[7] 1.5m gas pipe [socket + socket]]

[8] 1.5m gas pipe [socket + Screw]]

[9] 1.5m gas pipe [Screw + Screw]]

[10] 2m gas pipe [socket + socket]]

[11] 2m gas pipe [socket + Screw]]

[12] 2m gas pipe [Screw + Screw]]

[13] 2.5m gas pipe [socket + socket]]

[14] 2.5m gas pipe [socket + Screw]]

[15] 2.5m gas pipe [Screw + Screw]]

[16] 3M gas pipe [socket + socket]]

[17] 3M gas pipe [socket + Screw]]

[18] 3M gas pipe [Screw + Screw]]

[19] 4m gas pipe [socket + socket]]

[20] 4m gas pipe [socket + Screw]]

[21] 4m gas pipe [Screw + Screw]]